2019-09-15T21:24:28Zhttps://tsukuba.repo.nii.ac.jp/?action=repository_oaipmhoai:tsukuba.repo.nii.ac.jp:000410852019-08-26T23:35:23Z00003:00062:05296:0006400117:00133Suppression of conductivity deterioration of copper thin films by coating with atomic-layer materialsenghttp://hdl.handle.net/2241/00146034Journal ArticleCuong, Nguyen ThanhOkada, Susumu岡田, 晋Theoretical calculations are performed to explore the electronic structures and electron conducting properties of copper (Cu) thin films coated with graphene or h-boron-nitride (h-BN) layers. The Shockley surface states of Cu surfaces are preserved by the graphene and h-BN coatings which prevent the surface oxidation of Cu because of the weak interaction between the Cu surface and graphene or the h-BN layers. Furthermore, the Shockley surface states in Cu thin films possess quasi-two dimensional free-electron characteristics and exhibit a high conductivity of 1.62 × 107 (Ωm)−1 at room temperature. These hybrid structures may be suitable as interconnects in memory devices that can stably store data for long periods.Applied physics letters110131316012017-030003-6951 AA0054343110.1063/1.4979038This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing.The following article appeared in Appl. Phys. Lett. 110, 131601 (2017) and may be found at http://dx.doi.org/10.1063/1.4979038. publisherhttps://tsukuba.repo.nii.ac.jp/?action=repository_action_common_download&item_id=41085&item_no=1&attribute_id=17&file_no=1基礎工学・応用物理学American Institute of Physics2017-05-08